<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="../../js/vue.js"></script>
</head>
<body>
    <div id="app">
     count： {{count}}
    </div>
</body>
<script>

    Vue.config.productionTip = false; // 解决警告信息的

    const vm = new Vue({
      el: "#app",
      data() {
        return {
         count: 0,
        };
      },

      beforeCreate() {
       
       
      },

      created() {
       
      },

      beforeMount() {
      console.log(" beforeMount");
      // debugger;
      },

      mounted() {
        console.log("mounted");
        debugger;
      },



    });
  </script>


</html>